I've been looking through the log-files. Package python-uniconvertor was installed (to meet a recommends from inkscape) during your dist-upgrade from hardy to intrpid; at least according to dpkg/apt it was a new install of that package.
-- package python-uniconvertor 1.1.2-1 failed to install/upgrade: subprocess post-installation script returned error exit status 1 https://bugs.launchpad.net/bugs/284936 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs